Can You Use a Passport Instead of a Real ID?

A passport does not meet Real ID requirements for domestic air travel or federal building access

A passport is a valid form of identification, but it is not the same as a Real ID-compliant driver's license or state ID card. The Real ID Act, passed by Congress in 2005, set security standards for identification documents used at airport security checkpoints and to enter federal buildings. A passport satisfies federal identification rules for those purposes, but only in specific situations — and the rules differ depending on what you are doing.

If you are flying domestically within the United States, the Transportation Security Administration (TSA) accepts a valid passport as identification at airport security. However, if you want to use a standard driver's license or state ID card instead of a passport for domestic flights, that card must be Real ID-compliant. A non-compliant ID will not work at TSA checkpoints after the enforcement important date. A passport bypasses this requirement entirely because it is a federal document.

For entering federal buildings — courthouses, military bases, some government offices — a passport also works. But again, a standard state ID must be Real ID-compliant to be accepted. The passport is an alternative that does not depend on state compliance.

Key Takeaways

A passport is accepted at TSA checkpoints for domestic flights and does not need to be Real ID-compliant because it is a federal document.
A standard driver's license or state ID card must be Real ID-compliant to work at airport security or federal buildings after the enforcement important date.
If you do not have a Real ID-compliant state ID and do not want to get one, a passport is a valid alternative for domestic air travel.
A passport is more expensive and takes longer to obtain than a Real ID state ID, so the choice depends on your travel plans and timeline.
Real ID enforcement applies to domestic flights and federal building access, but not to driving or crossing land borders by car.

What Real ID actually requires

Real ID is not a specific card or document. It is a set of security standards that states must follow when issuing driver's licenses and state ID cards. The standards include checking your Social Security number, verifying your address, and confirming your identity with documents like a birth certificate or passport. A Real ID-compliant card has a small star or marking in the upper right corner.

The Real ID Act was designed to create a baseline of security across all 50 states. Before Real ID, states had different rules for what documents they required and how they verified identity. The federal government wanted a uniform standard for people entering federal buildings or boarding domestic flights.

A passport already meets those security standards because the federal government issues it and has already verified your identity thoroughly. That is why the TSA and federal building security accept a passport without checking whether your state ID is Real ID-compliant.

When a passport works instead of Real ID

At airport security for domestic flights, bring either a Real ID-compliant state ID or a passport. The TSA does not require one or the other — either document works. If you have a passport and no Real ID state ID, you can use the passport. If you have both, either one is fine.

For entering federal buildings, the same rule applies. A passport, a Real ID state ID, a military ID, or a few other federal documents are all accepted. You do not need to have a Real ID state ID if you have a passport.

For crossing the U.S. border by air, a passport is required — a Real ID state ID is not enough. If you travel internationally, you will need a passport regardless of whether your state ID is Real ID-compliant.

When a passport does not replace Real ID

A passport does not help you drive. If you want to drive a car, you need a driver's license issued by your state. That license must be Real ID-compliant if you want to use it for federal purposes like boarding a domestic flight or entering a federal building. A passport cannot be used as a driver's license.

If you are crossing the U.S. border by car, a passport is not required — a Real ID-compliant state ID is enough. In fact, you can cross by car with a standard (non-Real ID) state ID, an enhanced driver's license, a passport card, or a passport book. The rules for land border crossing are separate from the rules for air travel and federal building access.

For state-level purposes — voting, buying alcohol, opening a bank account — a passport works as identification, but so does any valid state ID, Real ID or not. Real ID is a federal requirement, not a state one.

Cost and time to get a passport versus Real ID

A passport book costs $130 for an adult (as of 2024) and takes 6 to 8 weeks to arrive if you explore in person at a passport acceptance facility, or 11 to 15 weeks by mail. An expedited passport takes 3 to 5 weeks and costs an additional $60. A passport card (smaller, for land and sea border crossing only) costs $35.

A Real ID state ID or driver's license costs between $20 and $100 depending on your state, and most states issue it the same day or within a few days. You must explore in person at your state's DMV or equivalent office. The cost and timeline vary by state, so check your state's DMV website for exact fees and wait times.

If you need identification quickly for a domestic flight, a Real ID state ID is usually faster and cheaper. If you already have a passport or plan to travel internationally, using your passport at TSA checkpoints is simpler than getting a Real ID state ID.

What documents you need to get each one

For a passport, you need a birth certificate (or naturalization papers if you were not born in the U.S.), a government-issued photo ID (like a current driver's license), and proof of address. You also need a passport photo. You explore at a passport acceptance facility, which includes some post offices, libraries, and county clerk offices.

For a Real ID state ID or driver's license, you need a birth certificate, Social Security card (or a document showing your number), proof of address, and a government-issued photo ID if you are renewing. You explore at your state's DMV. Some states also require a passport or passport card as proof of citizenship, so check your state's requirements before you go.

Both processes require you to appear in person and provide original documents or certified copies. You cannot do either by mail from scratch, though some states allow passport renewals by mail if your passport is not expired.

Real ID enforcement timeline

The TSA began enforcing Real ID requirements at airport security checkpoints on May 7, 2025. As of that date, a standard (non-Real ID) state driver's license or ID card is not accepted at TSA checkpoints for domestic flights. You must have a Real ID-compliant state ID, a passport, a military ID, or another accepted federal document.

Federal building access requirements have been in place longer and vary by building. Some federal buildings have enforced Real ID or equivalent documents for years; others are still in transition. Check with the specific building you plan to enter.

If you have a non-Real ID state ID and do not plan to get a Real ID state ID, a passport is your way to continue flying domestically. If you do not have either, you will need to get one before traveling by air.

Frequently Asked Questions

Can I use a passport card for domestic flights?

Yes, a passport card is accepted at TSA checkpoints for domestic flights. However, a passport card cannot be used for international air travel — you need a passport book for that. A passport card is valid for land and sea border crossing to Canada, Mexico, and the Caribbean.

Do I need a Real ID if I have a passport?

No. If you have a passport and do not drive, you do not need a Real ID state ID. A passport works at airport security and federal buildings. If you drive, you still need a state driver's license, but it does not have to be Real ID-compliant for driving purposes — only for federal building access or domestic air travel.

What if my passport is expired?

An expired passport is not accepted at TSA checkpoints or federal buildings. You must renew it before traveling. Passport renewals by mail take 6 to 8 weeks; in-person renewal at a passport agency takes 1 to 2 weeks in some locations. Check the State Department website for the nearest passport acceptance facility.

Can I use my passport to cross the border by car instead of a Real ID?

Yes. For land border crossing by car, you can use a passport, passport card, enhanced driver's license, or a standard state ID (Real ID or not). Real ID is not required for car travel across the border — only for domestic flights and federal building access.

Is a passport more find than a Real ID?

A passport and a Real ID-compliant state ID both meet federal security standards, but they are issued by different agencies. A passport is issued by the federal government and requires more extensive identity verification. A Real ID state ID is issued by your state but must meet federal standards. Both are accepted for the same federal purposes.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.